Gas cylinder cap retainer



FIG. 1 is a frontal isometric view of my gas cylinder cap retainer;

FIG. 2 is a front plan view thereof;

FIG. 3 is a rear plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an isometric view of the gas cylinder cap retainer, with the environment shown in dashed lines.

The gas cylinder and the cylinder cap does not comprise part of this invention.

The retainer is shown fragmented to indicate non-specified length. 

CLAIM The ornamental design for a gas cylinder cap retainer, as shown and described. 